Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 76 insertions, 0 deletions

diff --git a/Source/WebCore/rendering/RenderCounter.h b/Source/WebCore/rendering/RenderCounter.h
new file mode 100644
index 000000000..b4449dd86
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+++ b/Source/WebCore/rendering/RenderCounter.h
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+/*
+ * Copyright (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
+ * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef RenderCounter_h
+#define RenderCounter_h
+
+#include "CounterContent.h"
+#include "RenderText.h"
+
+namespace WebCore {
+
+class CounterNode;
+
+class RenderCounter : public RenderText {
+public:
+    RenderCounter(Document*, const CounterContent&);
+    virtual ~RenderCounter();
+
+    static void destroyCounterNodes(RenderObject*);
+    static void destroyCounterNode(RenderObject*, const AtomicString& identifier);
+    static void rendererSubtreeAttached(RenderObject*);
+    static void rendererRemovedFromTree(RenderObject*);
+    static void rendererStyleChanged(RenderObject*, const RenderStyle* oldStyle, const RenderStyle* newStyle);
+
+private:
+    virtual const char* renderName() const;
+    virtual bool isCounter() const;
+    virtual PassRefPtr<StringImpl> originalText() const;
+    
+    virtual void computePreferredLogicalWidths(float leadWidth);
+
+    // Removes the reference to the CounterNode associated with this renderer.
+    // This is used to cause a counter display update when the CounterNode tree changes.
+    void invalidate();
+
+    CounterContent m_counter;
+    CounterNode* m_counterNode;
+    RenderCounter* m_nextForSameCounter;
+    friend class CounterNode;
+};
+
+inline RenderCounter* toRenderCounter(RenderObject* object)
+{
+    ASSERT(!object || object->isCounter());
+    return static_cast<RenderCounter*>(object);
+}
+
+// This will catch anyone doing an unnecessary cast.
+void toRenderCounter(const RenderCounter*);
+
+} // namespace WebCore
+
+#ifndef NDEBUG
+// Outside the WebCore namespace for ease of invocation from gdb.
+void showCounterRendererTree(const WebCore::RenderObject*, const char* counterName = 0);
+#endif
+
+#endif // RenderCounter_h